package com.itlhc.dao;

import com.itlhc.pojo.Books;
import com.itlhc.pojo.Page;
import org.apache.ibatis.annotations.Param;


import java.util.List;


public interface BookMapper {
    //增加一个Book
    int addBook(Books book);

    //根据id删除一个Book
    int deleteBookById(int id);

    //更新Book
    int updateBook(Books books);

    //根据id查询,返回一个Book
    Books queryBookById(int id);

    //查询全部Book,返回list集合
    List<Books> queryAllBook();

    //分页查询
    List<Books> findPages(@Param(value = "startPos") Integer startPos,@Param(value = "pageSize") Integer pageSize) throws Exception;

    //查询总记录数
    Integer getGoodsCount(int id);
}
